Vulnerabilities

Vulnerability · CVE-2025-54911

Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

Published Sep 9, 2025 · catalog updated Feb 20, 2026 · Microsoft Windows 11 version 22H3

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-54911. EPSS is 0.77%. Act only if a listed version of Microsoft Windows 11 version 22H3 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.77%
Remediation
Version ranges on file
Affected products
vendor Microsoft Windows 11 version 22H3 10.0.22631.0 <10.0.22631.5909

Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Windows 11 version 22H3 10.0.22631.0 <10.0.22631.590910.0.22631.0 <10.0.22631.5909

How to fix CVE-2025-54911

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-54911. EPSS is 0.77%. Act only if a listed version of Microsoft Windows 11 version 22H3 is installed.

Which versions are affected?

Compare what you have installed with Microsoft Windows 11 version 22H3 10.0.22631.0 <10.0.22631.5909 10.0.22631.0 <10.0.22631.5909. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.77%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 9, 2025 · EUVD

    Detected

    Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

  2. Feb 20, 2026 · EUVD

    Updated

    Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

Sources

  • CVE.orgVulnerability recordCVE-2025-54911

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-54911

    30-day exploitation probability 0.77%

    first.org
  • EUVDVulnerability recordEUVD-2025-27300

    Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 30, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026